1n e^x - 1n e^7 = 1n e^8?

0 ⤊

-1
15
56
1
which one is it??

2007-12-10 12:27:14 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

ln e = 1
x - 7 = 8
x = 15

2007-12-10 12:33:07 · answer #1 · answered by norman 7 · 0⤊ 0⤋

you mean ln

ln e^x - lne^7 = lne^8

x - 7 = 8

x = 15

2007-12-10 20:35:38 · answer #2 · answered by mohanrao d 7 · 0⤊ 0⤋

lne^x - lne^7 = lne^8

x - 7 = 8

x = 15

2007-12-10 20:39:38 · answer #3 · answered by Joe L 5 · 0⤊ 0⤋